Gastric secretion and iron absorption.
D000367:Age Factors; D001284:Atrophy; D005750:Gastric Juice; D006801:Humans; D007408:Intestinal Absorption; D007501:Iron / Q000378:metabolism*; D007503:Iron Isotopes; D013272:Stomach Diseases / Q000378:metabolism
D007503:Iron Isotopes; D007501:Iron